99276391 has 2 divisors, whose sum is σ = 99276392. Its totient is φ = 99276390.

The previous prime is 99276347. The next prime is 99276421. The reversal of 99276391 is 19367299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99276391 - 2¹⁵ = 99243623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99276491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49638195 + 49638196.

It is an arithmetic number, because the mean of its divisors is an integer number (49638196).

Almost surely, 2^99276391 is an apocalyptic number.

99276391 is a deficient number, since it is larger than the sum of its proper divisors (1).

99276391 is an equidigital number, since it uses as much as digits as its factorization.

99276391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 99276391 is about 9963.7538608699. The cubic root of 99276391 is about 463.0366068766.

The spelling of 99276391 in words is "ninety-nine million, two hundred seventy-six thousand, three hundred ninety-one".